I believe Home Assistant's new fancy UI codenamed "lovelace" is based on web components: https://www.home-assistant.io/lovelace/ https://www.home-assistant.io/l

I believe Home Assistant's new fancy UI codenamed "lovelace" is based on web components: https://www.home-assistant.io/lovelace/ https://www.home-assistant.io/lovelace/ This should give you a sense of the power of web components.